5 Best Solar Panel Cleaners in Sydney (2026) — Maximise performance, protect your investment, and save on electricity bills

Sydney’s environment is tough on solar. Dust, pollen, coastal salt and bird droppings can build up and reduce how much sunlight reaches the cells. The best cleaners don’t just “hose and go.” They use the right water, the right tools, and processes that protect your panels, roof, and warranty.

This guide compares five of the best Sydney providers based on what matters most to homeowners in 2026:

• Warranty-safe cleaning methods (no harsh chemicals, no abrasive damage)
• Deionised/purified water (to avoid mineral residue)
• Clear service coverage + credibility signals (insurance/licensing, proof, reviews)
• Long-term value (e.g., protection/coatings, inspections, performance checks)

This is an editorial comparison based on publicly available information from each provider’s website and stated service features. Always confirm inclusions and pricing for your roof type and system size.

1. Solar Cleaning Experts (John Malaspina) — Best Overall (Long-Term Value & Protection) solarcleaningexperts.com.au

Solar Cleaning Experts stands out in Sydney because it combines warranty-safe cleaning, an included Nanotech coating, strong customer feedback, and long-term performance benefits.

• Warranty-safe professional clean — no abrasive tools or harsh chemicals that could damage panels or void warranties.
• Nanotech coating included in every quote — this proprietary treatment bonds to the panel glass at a microscopic level, forming a transparent protective layer that helps repel dirt and grime and keeps panels cleaner for up to 24 months.
• Customer praise for professionalism and results — reviewers consistently reference John’s punctuality, clear communication, and the high-quality finish, with before-and-after photos to demonstrate the difference.
• Long-term ROI — because panels stay cleaner for longer, customers save on repeat cleans and enjoy higher energy generation over time, reducing reliance on expensive grid electricity.

Solar Cleaning Experts is our top recommended choice for Sydney homeowners who want professional results and a solution that pays dividends over the long run.

Best for: homeowners who want maximum output, fewer cleans, and long-term protection.

2. Sydney Solar Panel Cleaning — (Great for Purified Water & Output Testing) sydneysolarpanelcleaning.com

Sydney Solar Panel Cleaning focuses on professional techniques tailored to solar systems. They use purified water and tools designed to remove grime without damage, and they offer on-the-job generation testing so you can see results immediately.

Why they’re good:

• Purified water cleaning (safe for panels)
• Output testing to show results after the clean
• Safety and compliance with height work standards

Best for: people who want a simple, professional clean with visible before/after energy output confirmation.

3. Spotless Solar Care — (Reliable Local Service with Strong Social Proof) spotlesssolarcare.com.au

Spotless Solar Care positions itself as a trusted local specialist, cleaning both solar panels and solar hot-water systems. Their focus is on safe, thorough methods and they showcase customer testimonials that emphasize communication, quality, and noticeable improvements.

What reviewers highlight:

• Panels “looked brand new” after cleaning
• Attention to detail and speedy communication
• Repeat customers due to quality

Best for: homeowners in North Sydney, Northern Beaches, and surrounding suburbs looking for reliable results and personal service.

4. Watts Up Solar Cleaning — (Broad Service Areas with Efficiency Focus) wattsupsolarcleaning.com.au

Watts Up Solar Cleaning promotes a detailed approach, including inspection and performance verification post-clean. They emphasise improved energy capture — claiming up to 30% output recovery after a professional clean — and offer fully insured technicians with satisfaction guarantees.

Standout features:

• Post-clean performance reports
• Purified water + eco-friendly solutions
• Strong customer reviews and broad Sydney coverage

Best for: large residential or commercial systems where performance diagnostics are part of the service.

5. MPV Solar — (Solar Service Provider with Cleaning & Maintenance) mpvsolar.com.au

MPV Solar isn’t a cleaning-only company — they’re a full solar solutions provider offering installation, maintenance, repair, and panel cleaning. Their cleaning service is integrated into broader solar care packages, backed by decades of solar experience.

Why include them:

• Professional approach from an established solar company
• Panel cleaning connected to system audits/maintenance
• Useful for homeowners wanting ongoing solar care

Best for: those who prefer a cleaning service as part of a broader solar support plan.

How to Compare Solar Panel Cleaning Services

When choosing a cleaner, look for the following:

• Purified/DI water cleaning (gentle and residue-free)
• Warranty-safe methods (no pressure washing or harsh chemicals)
• Insurance and safety compliance
• Performance checks / before-after proof
• Long-term value features (like protective coatings)

Professional cleaning helps ensure your solar panels continue to operate efficiently, potentially increasing energy output and lowering electricity bills. Dirty panels can lose noticeable performance over time if left uncleaned.

Why Professional Cleaning Matters (Quick Recap)

Solar panels only generate power when sunlight reaches the cells — dirt, dust and debris act as a barrier. Cleaner panels capture more sunlight, maintain higher energy generation, and reduce reliance on grid electricity, which can mean lower energy bills over time.

Professional cleaners bring the right tools, safety practices, and techniques that DIY often lacks, protecting your expensive investment and helping ensure peak output year after year.

Final Thoughts

Sydney has a range of capable solar panel cleaners, but not all services are created equal. For homeowners prioritising long-term performance, Solar Cleaning Experts stands out thanks to their warranty-safe process, included Nanotech protection, strong customer feedback, and long-term ROI.

If you want a quote tailored to your system and roof type, get a free estimate today and see how much your panels could be producing with a professional clean and protective coating.